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BOSTON MARATHON 2023

Mark Thomas

Bib: 30194•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:09/mi
31:33
↑ 97↓ 3451.5%
10K· 6.21 mi
9:56/mi
1:02:25
↑ 79↓ 1380.4%
15K· 9.32 mi
9:41/mi
1:32:29
↑ 67↓ 78
20K· 12.43 mi
10:19/mi
2:04:33
↑ 106↓ 860.1%
Half· 13.11 mi
9:32/mi
2:11:03
↑ 19↓ 370.5%
25K· 15.53 mi
10:17/mi
2:35:59
↑ 66↓ 880.2%
30K· 18.64 mi
10:36/mi
3:08:55
↑ 181↓ 1480.2%
20M
11:14/mi
3:24:11
↑ 64↓ 500.2%
21M
11:14/mi
3:35:25
↑ 106↓ 241.6%
35K· 21.75 mi
10:07/mi
3:42:59
↑ 17↓ 861.7%
23M
11:52/mi
3:57:51
↑ 23↓ 630.6%
24M
11:33/mi
4:09:24
↓ 821.3%
40K· 24.85 mi
11:53/mi
4:19:34
↓ 200.3%
25.2M
12:31/mi
4:23:53
↑ 13↓ 160.2%
Finish· 26.22 mi
9:06/mi
4:33:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:03
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time2:22:06
Pace10:50 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1231:3310:0931:33
10:09
-
10K
6.21 mi12:22:041:02:2510:0330:52
9:56
-0:13
15K
9.32 mi12:52:081:32:299:5530:04
9:41
-0:15
20K
12.43 mi13:24:122:04:3310:0132:04
10:19
+0:38
Half
13.11 mi13:30:422:11:0310:006:30
9:32
-0:47
25K
15.53 mi13:55:382:35:5910:0224:56
10:17
+0:45
30K
18.64 mi14:28:343:08:5510:0832:56
10:36
+0:19
20M
20.00 mi14:43:503:24:1110:1315:16
11:14
+0:38
21M
21.00 mi14:55:043:35:2510:1511:14
11:14
0:00
35K
21.75 mi15:02:383:42:5910:157:34
10:07
-1:07
23M
23.00 mi15:17:303:57:5110:2014:52
11:52
+1:45
24M
24.00 mi15:29:034:09:2410:2411:33
11:33
-0:19
40K
24.85 mi15:39:134:19:3410:2710:10
11:53
+0:20
25.2M
25.20 mi15:43:324:23:5310:284:19
12:31
+0:38
Finish
26.22 mi15:52:484:33:0910:269:16
9:06
-3:25

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:06 /mi

Average Pace

10:26 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:50

17% of race

Time at Steady Pace

2:39:55

59% of race

Time at Slower Pace

1:07:24

25% of race

Average Pace: 10:25 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:1231:3310:0931:33
10:09
#23822
10K
6.21 mi12:22:041:02:2510:0330:52
9:56
#23719
15K
9.32 mi12:52:081:32:299:5530:04
9:41
#23426
20K
12.43 mi13:24:122:04:3310:0132:04
10:19
#23459
Half
13.11 mi13:30:422:11:0310:006:30
9:32
#23403
25K
15.53 mi13:55:382:35:5910:0224:56
10:17
#23294
30K
18.64 mi14:28:343:08:5510:0832:56
10:36
#23112
20M
20.00 mi14:43:503:24:1110:1315:16
11:14
#23109
21M
21.00 mi14:55:043:35:2510:1511:14
11:14
#23003
35K
21.75 mi15:02:383:42:5910:157:34
10:07
#22945
23M
23.00 mi15:17:303:57:5110:2014:52
11:52
#23005
24M
24.00 mi15:29:034:09:2410:2411:33
11:33
#23053
40K
24.85 mi15:39:134:19:3410:2710:10
11:53
#23082
25.2M
25.20 mi15:43:324:23:5310:284:19
12:31
#23095
Finish
26.22 mi15:52:484:33:0910:269:16
9:06
#22973
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23822139981399822741(Top 85%)13514(Top 89%)13514(Top 256%)
10K6.21 mi3.10 mi23719+10313959+3913959+3923566(Top 89%)13881(Top 91%)13881(Top 263%)
15K9.32 mi3.11 mi23426+29313835+12413835+12422741(Top 85%)13514(Top 89%)13514(Top 256%)
20K12.43 mi3.11 mi23459-3313857-2213857-2223511(Top 88%)13852(Top 91%)13852(Top 262%)
Half13.11 mi0.68 mi23403+5613824+3313824+3322175(Top 83%)13285(Top 88%)13285(Top 251%)
25K15.53 mi2.42 mi23294+10913763+6113763+6122801(Top 86%)13507(Top 89%)13507(Top 256%)
30K18.64 mi3.11 mi23112+18213647+11613647+11622410(Top 84%)13259(Top 87%)13259(Top 251%)
20M20.00 mi1.36 mi23109+313633+1413633+1423079(Top 87%)13501(Top 89%)13501(Top 255%)
21M21.00 mi1.00 mi23003+10613573+6013573+6021330(Top 80%)12666(Top 83%)12666(Top 240%)
35K21.75 mi0.75 mi22945+5813539+3413539+3421585(Top 81%)12752(Top 84%)12752(Top 241%)
23M23.00 mi1.25 mi23005-6013556-1713556-1723815(Top 89%)13780(Top 91%)13780(Top 261%)
24M24.00 mi1.00 mi23053-4813564-813564-823938(Top 90%)13780(Top 91%)13780(Top 261%)
40K24.85 mi0.85 mi23082-2913577-1313577-1323741(Top 89%)13661(Top 90%)13661(Top 258%)
25.2M25.20 mi0.35 mi23095-1313581-413581-423295(Top 88%)13449(Top 89%)13449(Top 254%)
Finish26.22 mi1.02 mi22973+12213517+6413517+6418432(Top 69%)11283(Top 74%)11283(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22741

Males

13514

M18-39

13514

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23566

Males

13881

M18-39

13881

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22741

Males

13514

M18-39

13514

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23511

Males

13852

M18-39

13852

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22175

Males

13285

M18-39

13285

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22801

Males

13507

M18-39

13507

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22410

Males

13259

M18-39

13259

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23079

Males

13501

M18-39

13501

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21330

Males

12666

M18-39

12666

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21585

Males

12752

M18-39

12752

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23815

Males

13780

M18-39

13780

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23938

Males

13780

M18-39

13780

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23741

Males

13661

M18-39

13661

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23295

Males

13449

M18-39

13449

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18432

Males

11283

M18-39

11283

Passing Analysis

Category:
Athletes Passed
1575
Passed By
726
Net Change
+849
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23822
5K → 10K264161+103#23822#23719
10K → 15K31522+293#23719#23426
15K → 20K103136-33#23426#23459
20K → Half604+56#23459#23403
Half → 25K15142+109#23403#23294
25K → 30K22846+182#23294#23112
30K → 20M5552+3#23112#23109
20M → 21M1126+106#23109#23003
21M → 35K657+58#23003#22945
35K → 23M3191-60#22945#23005
23M → 24M2775-48#23005#23053
24M → 40K3160-29#23053#23082
40K → 25.2M1023-13#23082#23095
25.2M → Finish1231+122#23095#22973
TOTALS1575726+849
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing